Copying machine



FIG. 1 is a right front perspective view of a copying machine showing my new design;

FIG. 2 is a top plan view thereof on an enlarged scale with portions shown broken away for ease of illustration;

FIG. 3 is a front elevational view thereof on an enlarged scale with portions shown broken away for ease of illustration;

FIG. 4 is a right side elevational view of FIG. 3;

FIG. 5 is a left side elevational view of FIG. 3;

FIG. 6 is a rear elevational view of FIG. 3. 

The ornamental design for a copying machine, as shown and described. 